Electronic cigarette

ABSTRACT

An electronic cigarette is provided, comprising a hollow jacket tube and a support tube, a heating component, an atomization component and a battery component provided in the jacket tube successively, it also comprises a cigarette holder cover engaged with the support tube, and the jacket tube, the cigarette holder cover and the support tube are in the same axis. The electronic cigarette of the present invention can prevent the cigarette holder cover from popping up and avoid oil leak when smoking, as well as reducing the manufacturing cost.

CROSS-REFERENCE TO RELATED APPLICATIONS

This non-provisional application claims priority under 35 U.S.C. §119(a) on Patent Application No. 201320043274.X filed in P.R. China on Jan. 25, 2013, the entire contents of which are hereby incorporated by reference.

FIELD OF THE INVENTION

The present invention relates to the field of electric technology, more particularly, relates to an electronic cigarette to prevent cigarette holder cover from popping up.

BACKGROUND OF THE INVENTION

The cigarette holder cover of the electronic cigarette can pop from the jacket tube of the electronic cigarette due to the outside force, leading to be ingested by user when smoking the electronic cigarette. In order to avoid the occurrence of this situation, the cigarette holder cover is fixed at the interior of the jacket tube by adding glue between the cigarette holder cover and the jacket tube, and a seal is also provided for preventing the glue from penetrating into the tobacco bar.

However, the disadvantageous of the above method are as follows: 1, the glue is harmful for human health; 2, the glue has a corrosive action on the jacket tube, resulting in brittle fracture, if the cigarette holder part is squeeze hard when smoking, the jacket tube will be cracking, resulting in oil leak and affecting the taste of smoking; 3, the manufacturing cost of the electronic cigarette is increased because the seal is expensive.

SUMMARY OF THE INVENTION

The objective of the present invention is to provide an electronic cigarette which can prevent the cigarette holder cover from popping up, the electronic cigarette is harmless to human and the taste of smoking will be unaffected, and the manufacturing cost is lower, aiming at the above-mentioned drawbacks of the existing electronic cigarette comprising harmful glue, with the jacket tube easy to cracking and with high manufacturing cost.

The technical solutions of the present invention for solving the technical problems are as follows: an electronic cigarette is provided, which comprises a hollow jacket tube and a support tube, a heating component, an atomization component and a battery component provided in the jacket tube successively, it also comprises a cigarette holder cover engaged with the support tube, and the jacket tube, the cigarette holder cover and the support tube are in the same axis.

Advantageously, the cover column of the cigarette holder cover is provided with a lug boss, the inner wall of the support tube is provided with a concave part, the lug boss and the concave part are pressed fitly to form the engaging connection.

Advantageously, it also comprises a cover cap above the cover column of the cigarette holder cover, the cover cap embeds into the jacket tube to form an interference connection between the cover cap and the jacket tube. Advantageously, the jacket tube is made of plastic material or metal material.

Advantageously, the cigarette holder cover is made of any of the plastic material, wood material or rubber material.

Advantageously, an insulation space is provided between the support tube and the jacket tube, the internal of the insulation space is provided with a piece of high-temperature cotton, forming a heat insulation sandwich layer.

Advantageously, the support tube is made of any of the ceramic material, silicone material or plastic material.

Advantageously, a storage space is provided between the insulation space and the jacket tube, the internal of the storage space is provided with a piece of oil cotton. Advantageously, the atomization component is made of silicone material or/and polypropylene material.

When implementing the electronic cigarette of the present invention, the following advantageous effects can be achieved: the cigarette holder cover is engaged with the support tube, the cigarette holder cover and the jacket tube are sealed by an interference fit without adding harmful glue and using expensive seal, enabling to prevent the cigarette holder cover from popping off the jacket tube, and the jacket tube is not easy to crack, then the oil leak will be prohibited and the taste of smoking will be unaffected.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be further described with reference to the accompanying drawings and embodiments in the following, in the accompanying drawings:

FIG. 1 is a schematic drawing for a electronic cigarette according to a preferred embodiment of the present invention;

FIG. 2 is a schematic drawing for a cigarette holder cover of FIG. 1;

FIG. 3 is a section view for a cigarette holder cover of FIG. 2;

FIG. 4 is a front view for a support tube of FIG. 1; and

FIG. 5 is a right view for a support tube of FIG. 1.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

As shown in FIG. 1, an electronic cigarette is provided according to a preferred embodiment of the present invention, which comprises a jacket tube 100, a cigarette holder cover 110, a support tube 120, a heating component 130, an atomization component 140 and a battery component 150. In the embodiment, the cigarette holder cover 110, the support tube 120, the heating component 130, the atomization component 140 and the battery component 150 are mounted in the jacket tube 100, the structure of the jacket tube 100 is substantially hollow cylindrical, the cigarette holder cover 110, the support tube 120, the heating component 130, the atomization component 140 and the battery component 150 are connected successively. Wherein, the jacket tube 100 is made of plastics such as polycarbonate, PP, PC, PVC, ABS, etc., or made of metals such as stainless steel, copper, steel, aluminum or paper or wood material. The cigarette holder cover 110 is made of plastics such as ABS, PC, PP, PVC, POM, PE, etc., or made of flexible glues such as silicone, rubber, TPU, TPV, TPR or other flexible material. The support tube 120 is made of heat resisting non-conducting materials such as ceramics, HuangNa (PVC varnished glass fiber) etc., the support tube 120 can be a ceramic tube, a fiberglass tube, a silicone tube or a plastic tube. The heating component 130 comprises a heating wire connected with the battery component 150, the heating wire is laterally installed on the support tube 120 that is communicated with the atomization component 140. The atomization component 140 comprises an atomization seat 141 connected with the support tube 120 and an atomization support 142 used to support the atomization seat 141, the atomization seat 141 is made of silicon or other flexible materials, the atomization support 142 is made of polypropylene or other plastic materials. The battery component 150 comprises a battery 151 used to provide electric power for the heating component 130 and a PCB board component 152 for installing the supply circuit.

The electronic cigarette of the present invention comprises multiple support tubes 120 connected successively between the atomization component 140 and the cigarette holder cover 110, wherein one of the support tubes 120 is connected with the cigarette holder cover 110 and another is used to fix the heating component 130.

In the embodiment, the cigarette holder cover 110 and the support tube 120 are in engaging connection to prevent the cigarette holder cover 110 popping from the jacket tube 100 and ingested by user, the cover column of the cigarette holder cover 110 is provided with a lug boss 113 (shown in FIGS. 2 and 3), the inner wall of the support tube 120 is provided with a concave part 121 (shown in FIGS. 4 and 5), the lug boss 131 and the concave part 121 are pressed fitly to form the engaging connection. When the cigarette holder cover 110 is crammed into the jacket tube 100, the lug boss 113 of the cigarette holder cover 110 will be snapped into the concave part 121 of the support tube 120, the cigarette holder cover 110 made of flexible material is engaged with the support tube 120 and the jacket tube 100 respectively, so that the inner wall of the support tube 120 and the jacket tube 100 of the electronic cigarette can be sealed without sealing rings or glues which may corrode the jacket tube 100 and may be harmful to human health.

In the embodiment, the jacket tube 100, the cigarette holder cover 110 and the support tube 120 are in the same axis, namely they are set in a coaxial line, a storage space (not shown in FIG. 1) is provided between the support tube 120 and the jacket tube 100, a piece of oil cotton is provided along the axis of the storage space and around the inner wall of the jacket tube 100. The atomization component 140 comprises an atomization seat 141 and an atomization support 142, the atomization seat 141 with an air inlet is communicated with the support tube 120, the heating component 130 installed on the support tube 120 comprises a leading oil component, the piece of oil cotton is connected with the leading oil component. When the battery component 150 is energized, the heating component 130 of the electronic cigarette of the present invention is in the gas-flow access, making the tobacco bar burning and producing a lot of smoke, the burning smoke will enter the respiratory organs through the atomization component 140, the support tube 120 and the cigarette holder cover 110 successively.

In the embodiment, the smoke temperature is higher due to the tobacco bar burning, an insulation space (not shown in FIG. 1) is provided between the support tube 120 and the storage space to avoid the heating transmission from the internal components to the jacket tube 100, along the axis of the insulation space and around the inner wall of the jacket tube 100 is provided with a piece of high-temperature cotton for forming a heat insulation sandwich layer.

As shown in FIG. 2, in the electronic cigarette according to a preferred embodiment of the present invention, the cigarette holder cover 110 comprises a cover cap 111 and a cover column 112. The cover column 112 is provided with at least two lug bosses 113, the shape of the lug bosses 113 can be set according to specific circumstances.

As shown in FIG. 3, FIG. 3 is a section view for a cigarette holder cover 110 of FIG. 2, When the cigarette holder cover 110 is crammed into the jacket tube 100, the cover column 112 will embed into the support tube 120 and the lug bosses 113 of the cover column 112 will be snapped into the concave part 121 (shown in FIGS. 4 and 5) of the support tube 120, thus sealing the gap between the cigarette holder cover 110 and the support tube 120, at the same time, and the cigarette holder cover 110 made of flexible material are imbedded into the jacket tube 100 to form an interference fit.

As shown in FIG. 4, in the electronic cigarette according to a preferred embodiment of the present invention, at least two concave parts 121 are provided on the portion of the support tube 120 where is corresponding to the cover column 112 of the cigarette holder cover 110, the concave part 121 can be a groove or a cavity. The support tube 120 is substantially cylindrical, but the support tube 120 of the present invention is not limit to cylindrical shapes.

As shown in FIG. 5, FIG. 5 is a right view for a support tube 120 of FIG. 4, When the cigarette holder cover 110 is crammed into the jacket tube 100, the cover column 112 will embed into the support tube 120, the at least two lug bosses 113 of the cover column 112 are snapped into the corresponding at least two concave parts 121 of the support tube 120, thus sealing the gap between the cigarette holder cover 110 and the support tube 120, meanwhile the cigarette holder cover 110 made of flexible material will be embedded into the jacket tube 100 to form an interference connection between the cigarette holder cover 110 and the jacket tube 100.

While the present invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the present invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the present invention without departing from its scope. Therefore, it is intended that the present invention not be limited to the particular embodiment disclosed, but that the present invention will include all embodiments falling within the scope of the appended claims. 

What is claimed is:
 1. An electronic cigarette comprising a hollow jacket tube and a support tube, a heating component, an atomization component and a battery component provided in the jacket tube successively, wherein, it also comprises a cigarette holder cover engaged with the support tube, and the jacket tube, the cigarette holder cover and the support tube are in the same axis.
 2. The electronic cigarette according to claim 1, wherein, the cover column of the cigarette holder cover is provided with a lug boss, the inner wall of the support tube is provided with a concave part, the lug boss and the concave part are pressed fitly to form the engaging connection.
 3. The electronic cigarette according to claim 2, wherein, it also comprises a cover cap above the cover column of the cigarette holder cover, the cover cap embeds into the jacket tube to form an interference connection between the cover cap and the jacket tube.
 4. The electronic cigarette according to claim 3, wherein, the jacket tube is made of plastic material or metal material.
 5. The electronic cigarette according to claim 3, wherein, the cigarette holder cover is made of any of the plastic material, wood material or rubber material.
 6. The electronic cigarette according to claim 1, wherein, an insulation space is provided between the support tube and the jacket tube, the internal of the insulation space is provided with a piece of high-temperature cotton, forming a heat insulation sandwich layer.
 7. The electronic cigarette according to claim 6, wherein, the support tube is made of any of the ceramic material, silicone material or plastic material.
 8. The electronic cigarette according to claim 6, wherein, a storage space is provided between the insulation space and the jacket tube, the internal of the storage space is provided with a piece of oil cotton.
 9. The electronic cigarette according to claim 1, wherein, the atomization component is made of silicone material or/and polypropylene material. 